package com.ky.pro.big.data.mr.wc;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;

public class WordCountMapper extends Mapper<LongWritable, Text,Text, IntWritable> {

    @Override
    protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
        String line = value.toString();
        String[] split = line.split(",");
        Text text = new Text();
        IntWritable intWritable = new IntWritable(1);
        for(String word : split) {
            text.set(word);
            context.write(text, intWritable);
        }
    }
}
